• Pierce's disease of grapevine

  known in grapevine, stone fruit (peach and plum) and citrus, where it causes diseases [...] happens faster in younger vines than in older ones and faster in susceptible cultivars (within [...] The bacteria live in xylem vessels in roots, stems and leaves and multiply. The plant may react

• Root rot of carrot

  germination in vitro requires free water. The pH for growth, sporulation, and spore [...] intercellular mycelium. Conidia buried in nonsterile soil remained viable at 0°C and 3°C for 12 months, at 6°C for 6 months, and at 12°C for 2 months, indicating a capacity to overwinter in cold regions

• Black rot of grapes

  , and severe outbreaks may result in crop losses of up to 100% if left unmanaged [...] vine, reducing fruit quality and marketability. The black, dried mummified berries left hanging in the [...] systems and excessive mechanical hedging in vineyards with a history of black rot, as

• Esca disease of grapes

  stunting, poor rooting, and trunk necrosis in nursery or young vines to characteristic "tiger-stripe" leaf symptoms, berry spotting, and occasional sudden vine collapse in older vines. Because these fungi become [...] intermittent, appearing in some years but not others, and may be limited to individual shoots, sections

• Optimal bumblebee hive placement for tomato cultivation under artificial lights

  is critical for the successful cultivation of tomatoes, especially in controlled environments [...] utilizing grow lights and screens. By following the guidelines outlined in this white paper, growers [...] For more information and best practices on greenhouse pollination, please visit

• Nezapar wins bronze Bernard Blum Award 2023

  4 October 2023

  areas and continues to spread into temperate areas where it is mainly found in [...] change ensures these highly destructive bugs (will) present a growing problem for growers in an increasing range of crops in areas with a moderate climate. [...] has been described in research papers for some time. What we have achieved now is scaling-up the

• Leek

  left in the soil during winter and harvested when there is a need for them. Recommended for you Biological control of thrips in leek with Orius Beneficial nematodes and natural enemies effectively control pests and diseases in garlic, leek and

• Grape downy mildew

  in severe yield and quality losses. Infections during flowering and early berry [...] tissues during high-risk periods. Cultural and preventive measures Cultural practices play an important role in reducing [...] within infected buds and canes. In spring, oospore germination is triggered when temperatures reach

• Bacterial wilt, brown rot

  organism in Europe and considered a bioterrorist organism in the United States. It is a commonly found soil-inhabitant in tropical and subtropical regions and is transferred by the introduction of [...] survives well in water and in many different soil types and on alternative hosts like weeds

• Grapevine powdery mildew

  . As the infection intensifies, affected leaves suffer a marked reduction in photosynthetic capacity, while shoots and flowers exhibit stunted growth [...] within infected buds or as chasmothecia (sexual fruiting bodies) attached in the bark crevices and plant debris. In spring, chasmothecia release ascospores [...] , shoots, and inflorescence). In some regions, infected buds can produce ‘flag shoots’